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SECREtransmitterwasbuiltatthebeginningof1980’s,itscomputercontrolsystemconsistsofPC/XTandinterfacecircuit.Sincethecomputercontrolsystemwasbuilt,ithadnotbeenputintooperationnormallybecauseofitsimperfectanti-noisecapability.Presentlywedecidetorebuildit.Afte
SECREtransmitterwasbuiltatthebeginningof1980’s, itscomputercontrolsystemconsistsofPC/XTandinterfacecircuit.Sincethecomputercontrolsystemwasbuilt, ithadnotbeenputintooperationnormallybecauseofitsimperfectanti-noisecapability.Presentlywedecidetorebuildit.Afte